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Phenylephrine, sold under the brand names Neosynephrine and Sudafed PE among others, is a medication used as a decongestant for uncomplicated nasal congestion in the form of a nasal spray or oral tablet, [5] to dilate the pupil, to increase blood pressure given intravenously in cases of low blood pressure, and to relieve hemorrhoids as a suppository.
Mephentermine, sold under the brand name Wyamine among others, is a sympathomimetic medication which was previously used in the treatment of low blood pressure but is mostly no longer marketed. [6] [5] [4] [7] [8] It is used by injection into a vein or muscle, by inhalation, and by mouth. [4] [5]
Phenylephrine is the main ingredient used in many common over-the-counter congestion products. It is safe to use, but an independent advisory committee to the FDA agreed Tuesday that it is ...
Norepinephrine, epinephrine, dopamine, and phenylephrine contribute mainly through their vasopressor (vasoconstrictive) functions to constrict blood vessels to correct hypotension. Whereas, dobutamine , milrinone , enoximone , and levosimendan , act to restore the heart’s pumping function. [ 80 ]
Last year alone, oral decongestants with phenylephrine in the U.S. generated almost $1.8 billion in sales, FDA data shows. Currently, phenylephrine is considered safe, but without effectiveness ...
[13] [2] Phenylephrine has replaced pseudoephedrine in many over-the-counter oral decongestant products. [2] However, oral phenylephrine appears to be ineffective as a decongestant. [ 31 ] [ 32 ] In 2022, the combination with brompheniramine and dextromethorphan was the 265th most commonly prescribed medication in the United States, with more ...
Etilefrine, sold under the brand name Effortil among others, is a sympathomimetic medication used as an antihypotensive agent to treat orthostatic hypotension. [1] It is usually used by mouth, but is also available as an injectable. [3] [4] Side effects of etilefrine include nausea, tremors, and palpitations, among others. [5]
[22] [23] Hypotension and its complications (e.g., weakness, dizziness) are a constant risk, however, even though selective alpha-1a blockers are being used. It is therefore important when starting treatment with an alpha-1 blocker to monitor blood pressure to minimize the risk for adverse effects connected to low blood pressure.